IAB19696/DH
Data Hidrolik IAB19696/DH — Rudder angle indicator digital display.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual inspection of oil color (clear amber baseline), fluid viscosity measurement, water content test (Karl Fischer), particulate analysis ISO 4406
Inspect piston rod surface for scoring marks, measure chrome layer thickness, observe oil seepage at rod glands, test rod straightness with dial indicator
Measure system pressure at idle vs full load (DP series nominal 60 bar), listen for cavitation noise, verify pump displacement with flow meter, inspect pump intake for air leaks
Test helm pump manual actuation for smooth transitional movement, measure valve spool response time (<500ms per DNV), verify rudder angle indicator (IAB19696/DH, XL144, BW144) accuracy vs actual position
For DDM 6000+ models: verify motor amperage load, test proportional valve response (if variable displacement), measure hydraulic fluid temperature under load (target <60°C), inspect sea water/air cooler for fouling
Type-general inspection and maintenance points for this equipment category — not model-specific.
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